Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 22, NWS Indianapolis, IN

May 7, 20115 counties in Indiana

NWS Indianapolis, IN issued this flash flood warning at May 7, 2011, 10:45 PM EDT for 5 counties in Indiana. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 7, 2011, 10:45 PM EDT (02:45 UTC)
Expired: May 8, 2011, 4:30 AM EDT
In force: 6 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Daviess County, IN, Greene County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN

The radar

The Evansville,IN radar (KVWX), 92 km from the middle of the area, began a volume at 02:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 199 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3086 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

893 
WGUS53 KIND 080245
FFWIND
INC027-055-083-093-101-080830-
/O.NEW.KIND.FF.W.0022.110508T0245Z-110508T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1045 PM EDT SAT MAY 7 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN KNOX COUNTY IN SOUTHWEST INDIANA...
  NORTHERN DAVIESS COUNTY IN SOUTHWEST INDIANA...
  NORTHERN MARTIN COUNTY IN SOUTHWEST INDIANA...
  SOUTHERN GREENE COUNTY IN SOUTHWEST INDIANA...
  WESTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 430 AM EDT

* AT 1044 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. MORE
  THAN ONE AREA OF THUNDERSTORMS WILL MOVE ACROSS THE WARNED AREA
  WHICH WILL LEAD TO FLASH FLOODING.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF NORTHEASTERN KNOX...NORTHERN DAVIESS...NORTHERN MARTIN...
  SOUTHERN GREENE AND WESTERN LAWRENCE COUNTIES...INCLUDING THE TOWNS
  OF BURNS CITY...CRANE...ELNORA...HURON...INDIAN SPRINGS...
  LOOGOOTEE...MITCHELL...NEWBERRY...ODON...OWENSBURG...PLAINVILLE...
  SANDBORN...SILVERVILLE...SPRINGVILLE...WEST BOGGS LAKE AND
  WILLIAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3891 8725 3896 8725 3898 8665 3869 8644
      3867 8713

$$

50

2 follow-up statements

348 
WGUS73 KIND 080546
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
146 AM EDT SUN MAY 8 2011

INC027-055-083-093-101-080830-
/O.CON.KIND.FF.W.0022.000000T0000Z-110508T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS-GREENE-KNOX-LAWRENCE-MARTIN-
146 AM EDT SUN MAY 8 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN DAVIESS...
NORTHERN MARTIN...NORTHEASTERN KNOX...WESTERN LAWRENCE AND SOUTHERN
GREENE COUNTIES UNTIL 430 AM EDT...

AT 145 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS PORTIONS OF THE WARNED 
AREA. ADDITIONAL STORMS WILL MOVE INTO THE AREA WITHIN THE NEXT 
HOUR. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. FLASH IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS OF
NORTHEASTERN KNOX...NORTHERN DAVIESS...NORTHERN MARTIN...SOUTHERN
GREENE AND WESTERN LAWRENCE COUNTIES...INCLUDING THE TOWNS OF BURNS
CITY...CRANE...ELNORA...HURON...INDIAN SPRINGS...MITCHELL...
NEWBERRY...ODON...OWENSBURG...PLAINVILLE...SANDBORN...SILVERVILLE...
SPRINGVILLE...WEST BOGGS LAKE AND WILLIAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3891 8725 3896 8725 3898 8665 3869 8644
      3867 8713

$$

50

477 
WGUS73 KIND 080824
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
424 AM EDT SUN MAY 8 2011

INC027-055-083-093-101-080839-
/O.EXP.KIND.FF.W.0022.000000T0000Z-110508T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS-GREENE-KNOX-LAWRENCE-MARTIN-
424 AM EDT SUN MAY 8 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN DAVIESS...
NORTHERN MARTIN...NORTHEASTERN KNOX...WESTERN LAWRENCE AND SOUTHERN
GREENE COUNTIES WILL BE ALLOWED TO EXPIRE AT 430 AM EDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3891 8725 3896 8725 3898 8665 3869 8644
      3867 8713

$$

50

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 8:15 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam, Vigo	45 min
May 7, 8:23 PM EDT	Tornado Warning	IND	Clay, Sullivan, Vigo	52 min
May 7, 8:33 PM EDT	Areal Flood Advisory	IND	Clay, Fountain, Parke, Vermillion, Vigo	5 hr
May 7, 8:55 PM EDT	Flash Flood Warning	IND	Clay, Greene, Owen, Putnam, Sullivan, Vigo	6 hr
May 7, 9:02 PM EDT	Tornado Warning	IND	Clay, Greene, Sullivan, Vigo	43 min
May 7, 9:10 PM EDT	Tornado Warning	IND	Sullivan, Vigo	20 min
May 7, 9:26 PM EDT	Severe Thunderstorm Warning	IND	Sullivan, Vigo	20 min
May 7, 9:37 PM EDT	Tornado Warning	IND	Daviess, Greene, Martin	38 min
May 7, 10:12 PM EDT	Tornado Warning	IND	Greene, Lawrence, Martin	48 min

Nearby

Flash Flood Warnings in Indiana, 2011 Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.